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US12350197B2ActiveUtilityPatentIndex 59

Light filter for repairing the retina

Assignee: PHOTOPROTECTIVE TECH INCORPORATEDPriority: Apr 11, 2019Filed: Apr 19, 2023Granted: Jul 8, 2025
Est. expiryApr 11, 2039(~12.8 yrs left)· nominal 20-yr term from priority
Inventors:GALLAS JAMES M
G02C 7/107C09K 11/00G02C 7/104A61F 9/0017A61N 5/06A61N 2005/0661G02C 2202/10A61N 2005/0662A61N 2005/0659A61F 9/0079
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Claims

Abstract

The detailed characteristics of the red fluorescence of the human lens—that occurs at the seventh decade of life—is recognized as an example of evolutionary photobiomodulation for repair of the retina, and then used as a paradigm for extending current parametric values for reproducible photobiomodulation. The new photobiomodulation parameters involve relative intensities for wavelength bands within the range of 600 nm to 900 nm.

Claims

exact text as granted — not AI-modified
What is claimed is: 
     
       1. A photobiomodulation system to repair the retina of a human subject comprising one or more light sources wherein the emission spectrum of the light reaching the eye of the subject by the light source or sources is represented by peak emission wavelengths that are 670 nm+/−10 nm, 743 nm+/−10 nm, and 817 nm+/−10 nm; ratio of fluorescence intensities at 670 nm to the subsequently-smaller intensity bands are 2.5+/−0.5 and 16.6+/−4; and full widths at half-maximum are 51.8 nm+/−5 nm, 56.5 nm+/−5 nm and 56.5 nm+/−5 nm.

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